1. Albrecht, C.F. (1995). Hypoxoside: A putative prodrug for the treatment of malignancies, HIV infections, and inflammatory conditions. S. Afr. Med. J. 85: 302-307.
2. Albrecht, C.F. (1996). Hypoxoside: A putative, non-toxic prodrug for the possible treatment of certain malignancies, HIV infections, and inflammatory conditions. In: Chemistry, Biological and Pharmacological Properties of African Medicinal Plants. Proceedings of the First International IOCD Symposium; Victoria Falls, Zimbabwe, ed. by K. Hostettmann, F. Chinyanganya, M. Maillard and J.L. Wolfender, University of Zimbabwe Press, Harare, pp. 303-307.
3. Drewes, S.E., Hall, A.J., Learmonth, R.A. and Upfold, U.J. (1984). Isolation of hypoxoside from Hypoxis rooperi and synthesis of [E]-1, 5-bis [3', 4'-dimethoxyphenyl 1] pent-4-en-1-yne. Phytochemist. 23: 1313-1316.
4. Foster, R.W. (1960). The paired tracheal chain preparation. J. Pharm. Pharmacol. 12: 189-191.
5. Hutchings, A. (1989). A survey and analysis of traditional medicinal plants as used by the Zulu, Xhosa and Sotho. Bothalia. 19: 111-123.